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Notes Payable - Additional Information (Detail) - USD ($) |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 05, 2017 | May 20, 2016 | May 31, 2018 | May 31, 2017 | May 31, 2018 | May 31, 2017 | Nov. 30, 2017 | Aug. 26, 2016 | Jul. 01, 2016
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest expense |  |  | $ 304,094 | $ 325,314 | $ 585,071 | $ 622,358 |  |  |
Debt issuance costs |  |  | 378,785 |  | 378,785 |  |  |  |
Amortization of debt issuance costs |  |  | 24,837 | 32,289 | $ 51,540 | 66,442 |  |  |
TCB and CrowdOut Capital LLC [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Subordinated loan |  | $ 650,000 |  |  |  |  |  |  |
Repayment of subordinated debt | $ 650,000 |  |  |  |  |  |  |  |
TCB and CrowdOut Capital LLC [Member] | Subordinated Debt [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, interest rate |  | 12.00% |  |  |  |  |  |  |
Line of credit facility, expiration date |  | Jul. 31, 2021 |  |  |  |  |  |  |
Line of credit facility, description |  |  |  |  | Per a promissory note dated May 20, 2016 between the Company and CrowdOut, interest at 12% per annum on the principal sum of $650,000 is payable monthly with a maturity date of July 2021, at which time, the principal amount of $650,000 was payable. |  |  |  |
Line of credit facility, frequency of payment |  |  |  |  | Monthly |  |  |  |
Interest expense |  |  | 0 | 19,933 | $ 0 | 39,433 |  |  |
Interest paid | $ 867 |  |  |  |  |  |  |  |
Texas Capital Bank National Association [Member] | Amended And Restated Promissory Notes [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Principal paid |  |  |  |  | 3,633,000 |  | $ 2,633,000 |  |
Interest expense |  |  | $ 188,645 | $ 104,030 | $ 94,818 | $ 206,518 |  |  |
Senior Credit Facilities [Member] | Texas Capital Bank National Association [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, description |  |  |  |  | Subject to the terms of the Agreement, on May 20, 2016, TCB advanced the Company $100.00. On July 1, 2016, TCB advanced the remaining principal amount of $7,999,900 per a promissory note dated May 20, 2016 between the Company and TCB, at a rate of 3.75% per annum plus LIBOR, payable monthly with a maturity date of July 2021. |  |  |  |
Line of credit facility, frequency of payment |  |  |  |  | Monthly |  |  |  |
Line of credit facility, interest rate description |  |  |  |  | 3.75% per annum plus LIBOR |  |  |  |
Senior Credit Facilities [Member] | Texas Capital Bank National Association [Member] | Promissory Notes [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, amount advanced |  |  |  |  |  |  |  |  | $ 7,999,900
Senior Credit Facilities [Member] | London Interbank Offered Rate (LIBOR) [Member] | Texas Capital Bank National Association [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Term loan, maximum borrowing capacity |  | $ 8,000,000 |  |  |  |  |  |  |
Line of credit facility, amount advanced |  | $ 100.00 |  |  |  |  |  |  |
Line of credit facility, interest rate |  | 3.75% |  |  | 3.75% |  | 3.75% |  |
Line of credit facility, expiration date |  | Jul. 31, 2021 |  |  |  |  |  |  |
Amended Senior Credit Facility [Member] | Texas Capital Bank National Association [Member] | Amended And Restated Promissory Notes [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, amount advanced |  |  |  |  |  |  |  | $ 2,133,433 |

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- Definition Amount, before accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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